µ[micro]electronics info

A weblog focused on interesting circuits, ideas, schematics and other information about microelectronics and microcontrollers.




Because I have not tested all electronic circuits mentioned on this pages, I cannot attest to their accuracy; therefore, I do not provide a warranty of any kind and cannot be held responsible in any manner.

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AVR synth

A monophonic synthesizer based on an Atmel AVR microcontroller.

Sakura - The World’s Simplest Open Source DIY MP3 player!

For around $30 in parts and a good amount of patience, you can have a completely open source and hackable mp3 player ready to go. It can be modified to accept serial commands, be embedded in an art project, used as the voice of your next smart talking robo-sidekick, or filled with music and used as is. Put in whatever size card you want, up to the theoretical limit of the MMC format.

MP3 Daisy player

The Daisy is a multipurpose sound player for embedded applications. It can be used as a standalone personal music player,as the sound for an art project, in a kiosk, as a museum tour guide, in a toy, or anywhere that high quality embedded audio is desired. It uses MMC or SD flash memory cards so storage size is unlimited. It has several interface modes for either human or machine control.

Rundfunker - an WLAN MP3 player

The Rundfunker is a tabletop mp3 player that scans the WLAN for local audio sources and is able to play shared audio-files.

AVR-MIDI - an USB MIDI-class compliant device

This is an inexpensive DIY MIDI controller device for USB. It consists of a simple AVR ATMega16 with driver software from Objective Development (see).

Sound synthesizers

Sound Effects Synthesizer and other synthesizers.

Experiments with DSP

This project is an experiment of the Digital Signal Processing with a cheap microcontroller instead of an ordinary digital signal processor. Recent 8 bit microcontrollers have sufficient processing performance so that they can be used for simple audio signal processing.

dsPIC Synthesizer

dsPIC-based voice MIDI synthesizer by Michael Herman

PIC MIDI controller

This MIDI Controller uses a PIC16F877A Micro and a 2 pin LCD Character Display.

AVR music player

Standalone AVR Music Player "Sound Bug".

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